WE-LAN 10/100 Base-TX SMT Transformer 1 Port
Lifecycle: Active Supply Risk Score and Supply Risk Trend are available on Pro and Enterprise. Watchlist (Pro)
Datasheets:Datasheet (Farnell)
Country of origin: CNRoHS Compliant MSL MSL 1

Farnell(1/3)
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View PlansConfirmed Stock
62,842
3 of 5 suppliers stocked
Best Unit Price
—
Availability
3of 5 suppliers
Fastest delivery: 98 days
Shortest factory lead: 14 weeks
Stock by Supplier
Stock & Availability
| Supplier | Supplier Part Number | Stock | Delivery | Factory Lead | MOQ | Packaging | Status |
|---|---|---|---|---|---|---|---|
7490100161A | 57,201 | 98 days | — | Minimum order quantity 1 | 13''Reel | In Stock | |
| 4,800 | — | — | Minimum order quantity 18 | — | In Stock | ||
| 841 | — | 14 weeks | Minimum order quantity 1 | Reel, Cut Tape, MouseReel | In Stock | ||
| 0 | 98 days | — | Minimum order quantity 1 | — | No Stock | ||
| 0 | 98 days | — | Minimum order quantity 100 | — | No Stock |
Supplier Part Details
| Supplier | Description | RoHS | MSL | Life Cycle | SVHC | Category | Country | Weight | Tariff Code | Packaging | Links |
|---|---|---|---|---|---|---|---|---|---|---|---|
Würth Elektronik 7490100161A | WE-LAN 10/100 Base-TX SMT Transformer 1 Port | No | MSL 1 | Active | — | Signal & Communications | CN | 0.71 g | 85043180900 (EU national) | 13''Reel | |
Farnell 3380800 | WURTH ELEKTRONIK - 7490100161A - Ethernet- & LAN-Transformator, 10/100 Base-T, 1 Port, 1:1, 350 µH, 1.5 kV, Oberflächenmontage | Yes | — | Active | No SVHC (04-Feb-2026) | — | CN | — | 85043180 (EU CN) | — | |
Farnell 3380800RL | WURTH ELEKTRONIK - 7490100161A - Ethernet- & LAN-Transformator, 10/100 Base-T, 1 Port, 1:1, 350 µH, 1.5 kV, Oberflächenmontage | Yes | — | Active | No SVHC (04-Feb-2026) | — | CN | — | 85043180 (EU CN) | — | |
Winsource 7490100161A | TRANSFORMER 10/100 BASE-T SMD | Yes | — | — | — | — | — | — | — | — | |
Mouser 710-7490100161A | Audio Transformers / Signal Transformers WE-LAN 1Port Trnsfmr 10/100 Base-T SMD | Yes | — | — | — | Audio Transformers / Signal Transformers | — | 0.0007 g | 8504318090 (EU TARIC) | Reel, Cut Tape, MouseReel |
Technical Attributes
AutoMDIXYes
Common Mode Rejection Ratio-30dB
Common Mode Rejection Ratio-38dB
Common Mode Rejection Ratio-38dB
Crosstalk-35dB
Crosstalk-40dB
cURus ApprovalE472316
cURus Approval StandardUL 62368-1
Data rate10/100BASE-TX
Differential to Common Mode Rejection Ratio-38dB
Differential to Common Mode Rejection Ratio-38dB
Differential to Common Mode Rejection Ratio-30dB
Extended Temperature RangeYes
Height0.0054Meter
HPLENo
Inductance0.00035Henry
Inductance [1]0.00035Henry
Insertion Loss-1.10dB
Insertion Loss-1.1dB
Insulation Test Voltage1500Volt
Length0.0122Meter
Life Cycle TimeEstimated lifetime > 10 years
Marking7490100161A YYWW
MatchcodeWE-LAN
Max. Operating Temperature125Degree Celsius
Min. Operating Temperature-40Degree Celsius
MountSMT
Number of Ports1
Operating Temperature-40 °C up to +125 °C
Pad Dimension8.89
Pad to Pad (Middle)0.0094Meter
Pad to Pad (Middle)0.76
Pad to Pad (Outlines)8.80
Pins16
Pitch1.27
PoEnon-PoE
REACh Approval(EC)1907/2006
REACh ApprovalConform or declared
Relative Humidity75Percentage/Relativehumidity
Return Loss-14dB
Return Loss-10dB
Return Loss-18dB
Return Loss-12dB
StatusValid
Turns Ratio1:1
TypeStandard
VersionSMT
Width0.0094Meter
Width0.007Meter